package componentTest;

import java.io.FileInputStream;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
 
import java.security.MessageDigest;

public class MD5CheckSumExample {
    
    
    public static void main(String[] args)throws Exception
    {
        String password = "viethungle";
        
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(password.getBytes());
 
        byte byteData[] = md.digest();
 
        //convert the byte to hex format method 1
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < byteData.length; i++) {
         sb.append(Integer.toString((byteData[i] & 0xff) + 0x100, 16).substring(1));
        }
 
        System.out.println("Digest(in hex format):: " + sb.toString());
 
        //convert the byte to hex format method 2
        StringBuffer hexString = new StringBuffer();
        for (int i=0;i<byteData.length;i++) {
            String hex=Integer.toHexString(0xff & byteData[i]);
            if(hex.length()==1) hexString.append('0');
            hexString.append(hex);
        }
        System.out.println("Digest(in hex format):: " + hexString.toString());
    }
}